Jenkins Mattermost Notification Plugin contains unencrypted storage of secret token

published 2019-10-23 7 y ago modified 2026-06-17 4 mo ago also GHSA-xcj6-4355-2823 , EUVD-2022-5766

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

Jenkins Mattermost Notification Plugin 2.7.0 and earlier stored webhook URLs containing a secret token unencrypted in its global configuration file and job config.xml files on the Jenkins master where they could be viewed by users with Extended Read permission, or access to the master file system.

Patch / fix

fixed in 1 links 1

maven org.jenkins-ci.plugins:mattermost 2.7.1

github.com/jenkinsci/mattermost-plugin@c6e5093 commit

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:mattermost	<2.7.1	2.7.1

Affected products

Jenkins project Jenkins Mattermost Notification Plugin

Classification

Weakness

CWE-522 Insufficiently Protected Credentials

References

github.com /jenkinsci/mattermost-plugin/commit/c6e509307812d93ba295a35dea95016f007de158
web
jenkins.io /security/advisory/2019-10-23/#SECURITY-1628
web, vendor-advisory
openwall.com /lists/oss-security/2019/10/23/2
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2019-10459
advisory
github.com /jenkinsci/mattermost-plugin
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary